South Carolina Patent of the Month – July 2022
Diversey, Inc. is committed to hygiene through the development of tools and solutions to clean and prevent infections. They have been working towards this mission for nearly a century, building a suite of patented chemicals, dosing and dispensing equipment, cleaning machines, services, and digital analysis.
In the dairy milk industry, the milk is processed with heat sterilization to prevent microbial contamination. Between heat sterilization and treatment chemicals, it’s quite common to see milk-borne materials and other undesirable compounds build up on the surface of the equipment. To clean out any buildup, Clean-In-Place (CIP) systems are used which fill the equipment with cleaning solutions which are then flushed and rinsed out. These systems are expensive, requiring high temperatures and complex enzymatic treatments.
With their expertise in hygiene and sanitation, Diversey decided it was time to tackle these CIP processes. They listened to the industry and understood the need for a new CIP operation which would have lower operational costs and reduced energy use.
The company designed a CIP which uses a chlorine-free formulation. Without chlorine, the equipment could be cleaned with reduced temperatures, leading to energy savings. The formulation includes product stabilization solvents, chelating agents, and alkaline agents. Each of these components are specifically capable of cleaning at lower temperatures. In fact, the cleaning process can run between 40° C – 50° C as compared to a traditional 60° C. to 80° C.
Their CIP can be incorporated using the same equipment in traditional CIP processes so that there are no excessive startup costs. The reduced energy and alternative formula lower the operational costs, creating a more efficient and cost-friendly solution for the dairy industry.
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